Home / 15,905,788.74-21,950,609.85-9,030,910.98

Finding the Fourth Proportional to 15,905,788.74, 21,950,609.85 and 9,030,910.98

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Solution

The fourth proportional to 15,905,788.74, 21,950,609.85 and 9,030,910.98 is: 12,463,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905,788.74 : 21,950,609.85 = 9,030,910.98 : x
  2. Step 2: Convert to fraction form
    15,905,788.74/21,950,609.85 = 9,030,910.98/x
  3. Step 3: Cross multiply
    15,905,788.74x = 21,950,609.85 × 9,030,910.98
  4. Step 4: Simplify right side
    15,905,788.74x = 198,234,003,512,061.19
  5. Step 5: Solve for x
    x = 198,234,003,512,061.19/15,905,788.74
  6. Step 6: Final answer
    x = 12,463,009.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.